I ought to conserve you ought to conserve she ought to conserve we ought to conserve you ought to conserve they ought to conserve
V-ing form
I ought to be conserving you ought to be conserving she ought to be conserving we ought to be conserving you ought to be conserving they ought to be conserving
Perfect
I ought to have conserved you ought to have conserved she ought to have conserved we ought to have conserved you ought to have conserved they ought to have conserved
V-ing perfect
I ought to have been conserving you ought to have been conserving she ought to have been conserving we ought to have been conserving you ought to have been conserving they ought to have been conserving
Negation
Simple form
I oughtn't to conserve you oughtn't to conserve she oughtn't to conserve we oughtn't to conserve you oughtn't to conserve they oughtn't to conserve
V-ing form
I oughtn't to be conserving you oughtn't to be conserving she oughtn't to be conserving we oughtn't to be conserving you oughtn't to be conserving they oughtn't to be conserving
Perfect
I oughtn't to have conserved you oughtn't to have conserved she oughtn't to have conserved we oughtn't to have conserved you oughtn't to have conserved they oughtn't to have conserved
V-ing perfect
I oughtn't to have been conserving you oughtn't to have been conserving she oughtn't to have been conserving we oughtn't to have been conserving you oughtn't to have been conserving they oughtn't to have been conserving
Interrogative form
Simple form
ought to I conserve? ought to you conserve? ought to she conserve? ought to we conserve? ought to you conserve? ought to they conserve?
V-ing form
ought to I be conserving? ought to you be conserving? ought to she be conserving? ought to we be conserving? ought to you be conserving? ought to they be conserving?
Perfect
ought to I have conserved? ought to you have conserved? ought to she have conserved? ought to we have conserved? ought to you have conserved? ought to they have conserved?
V-ing perfect
ought to I have been conserving? ought to you have been conserving? ought to she have been conserving? ought to we have been conserving? ought to you have been conserving? ought to they have been conserving?
Interro-negative form
Simple form
oughtn't I to conserve? oughtn't you to conserve? oughtn't she to conserve? oughtn't we to conserve? oughtn't you to conserve? oughtn't they to conserve?
V-ing form
oughtn't I to be conserving? oughtn't you to be conserving? oughtn't she to be conserving? oughtn't we to be conserving? oughtn't you to be conserving? oughtn't they to be conserving?
Perfect
oughtn't I to have conserved? oughtn't you to have conserved? oughtn't she to have conserved? oughtn't we to have conserved? oughtn't you to have conserved? oughtn't they to have conserved?
V-ing perfect
oughtn't I to have been conserving? oughtn't you to have been conserving? oughtn't she to have been conserving? oughtn't we to have been conserving? oughtn't you to have been conserving? oughtn't they to have been conserving?